<template>
    <div class="box">
        <h3>Vue3乞丐版--{{num}}</h3>
        <img src="@/assets/images/logo.png"/>
    </div>
</template>
<script>
import { ref } from 'vue'
export default {
    setup(){
        const num = ref(100)

        return {
            num
        }
    }
}
</script>